Online find-the-difference (or spot-the-difference) puzzles are among the most played games that captivate players' interest.
Solving such problems rapidly requires a great deal of attention to detail.
The picture up there shows two versions of the same boy reading a book.
In under twelve seconds, readers must identify three key changes between the two images.
According to research, doing so activates regions of the brain that are involved in memory and focus.
So, you may improve your focus and memory recall by doing these exercises regularly.
Check one last time to see if you can see anything else that's different.